Robert Charles Bowline is the real name of the Captain of the Mary Cahoun, as he has "R.C.B." tattoed on his forearm, though he calls himself Jonas Fielder. Mr Duck is shipwrecked on the island of Trinidade, and sees the captain and mate burying the box of treasure at the base of the tree he is sleeping in. This article is a . You can help My English Wiki by giving it some cream puffs.